Climate controls stopped working? Seamlessly restore operation by easily swapping the malfunctioning original module with this fully tested replacement unit. Please note: This climate control module requires a calibration procedure after installation is completed. To do this, first remove smart junction box fuse 15 for one minute. Switch the ignition to the ON position and wait 30 seconds. Turn the ignition off, reinstall the fuse, and turn the ignition switch to the ON position again. Wait 30 seconds, and verify all vents are operating properly.